接入高压配电网的分布式电源，并网点应安装（   ）的开断设备，电网侧应能接地。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69529' and id < 4505012 and id<>'4505012' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69529' and id > 4505012 and id<>'4505012' order by id asc limit 5